Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/unquote/index.js b/node_modules/unquote/index.js
new file mode 100644
index 0000000..016a782
--- /dev/null
+++ b/node_modules/unquote/index.js
@@ -0,0 +1,14 @@
+var reg = /[\'\"]/
+
+module.exports = function unquote(str) {
+  if (!str) {
+    return ''
+  }
+  if (reg.test(str.charAt(0))) {
+    str = str.substr(1)
+  }
+  if (reg.test(str.charAt(str.length - 1))) {
+    str = str.substr(0, str.length - 1)
+  }
+  return str
+}